/Engine/Source/Developer/LauncherServices/Public/ILauncherProfileManager.h
Modifies profile name. Saves file to new location and deletes old one to avoid duplicating profiles.
void ChangeProfileName ( const [ILauncherProfileRef](API\Developer\LauncherServices\ILauncherProfileRef) & Profile, [FString](API\Runtime\Core\Containers\FString) Name )